GLBRC Sustainability Data Catalog

Agronomic Yield of Perennial Crops ; treatments G5 - G10

Agronomic yield from the poplar trees and the 5 herbaceous perennial crops; switchgrass, miscanthus, mixed grasses, old field and native prairie. These treatments are part of the GLBRC Biofuel Cropping System Experiment located on the Arlington and KBS GLBRC Intensive sites. Yield data for these treatments are given as dry matter.

Microplots were established on the perennial crops to look at the affects of fertilization on yield. Treatments G5, G6, G7, G8, G9 are normally fertilized so the microplot was unfertilized and G10 does not receive fertilizer so the G10 microplot was fertilized.

This datatable is part of the GLBRC Agronomic Yields dataset. This data set contains information about agronomic yields for the GLBRC Biofuel Cropping System Experiment, the Stover Removal Experiment and the Unfertilized/fertilized Experiment at Kellogg Biological Station and Arlington and also for the GLBRC Scale-up experiment and Switchgrass N-rate experiments at KBS. Perennial treatments include herbaceous perennials- switchgrass, miscanthus, grass mix, old field and prairie (G5,G6, G7, G9 and G10) and poplar trees (G8) . Annual treatments include continuous corn (G1), and during 2008-2011 corn-soybean–canola rotations (G2-G4). In 2012 ,G2-G4 treatments no longer planted canola and added cover crops to a corn-soy rotation. Agronomic yields are measured during normal crop harvest by machine harvesters appropriate to each crop as described in the GLBRC Agronomic Protocol.

Note

Experiment: GLBRC Biofuel Cropping System Experiment
Data available from: January 2008 to January 2019
Dataset: GLBRC081
Datatable ID: GLBRC081-002.73
Related Tables:
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Last Updated 2019-03-13
Variate Description Units
year growing season year(s)
harvest date harvest date
site location of experiment
main or microplot experiment where the crop was harvested from
crop plant(s) for harvest
treatment experimental treatment
replicate replicate block nested in treatment
wi plot id Arlington's plot code
fraction part of the plant that was harvested
field section section of the field harvested
n treatment nitrogen application to the field
area harvested ft2 area harvested squarefoot
dry matter yield Mg ha yield as dry matter Mg/ha
moisture at harvest percent moisture measured at harvest %
comments comment on the data row
dry matter yield ton acre yield as dry matter tons/acre

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Data Excerpt

year harvest_date site main_or_microplot crop treatment replicate wi_plot_id fraction field_section n_treatment area_harvested_ft2 dry_matter_yield_mg_ha moisture_at_harvest comments dry_matter_yield_ton_acre
2018 2018-10-24 KBS nitrogen microplot switchgrass G5 R1 whole east nitrogen applied 984.225 7.01000719687387 36.6905 3.13347321700262
2018 2018-10-25 KBS main switchgrass G5 R1 whole main nitrogen applied 8333.105 6.1108102119472 33.3291 2.7315321647404
2018 2018-10-24 KBS nitrogen microplot control switchgrass G5 R1 whole west no nitrogen applied 984.225 4.54421299126492 40.4143 2.03126320709542
2018 2018-10-24 KBS nitrogen microplot control switchgrass G5 R2 whole west no nitrogen applied 984.225 4.42232516248448 38.7468 1.97677934763056
2018 2018-10-24 KBS nitrogen microplot switchgrass G5 R2 whole east nitrogen applied 984.225 5.81131758455745 38.0569 2.59765896029718
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